TW234182B - - Google Patents

Info

Publication number
TW234182B
TW234182B TW082109024A TW82109024A TW234182B TW 234182 B TW234182 B TW 234182B TW 082109024 A TW082109024 A TW 082109024A TW 82109024 A TW82109024 A TW 82109024A TW 234182 B TW234182 B TW 234182B
Authority
TW
Taiwan
Prior art keywords
radiation beam
recording
recorded
minimum
error rate
Prior art date
Application number
TW082109024A
Other languages
English (en)
Chinese (zh)
Original Assignee
Philips Electronics Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Electronics Nv filed Critical Philips Electronics Nv
Application granted granted Critical
Publication of TW234182B publication Critical patent/TW234182B/zh

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10595—Control of operating function
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816—Testing
    • G11B20/182—Testing using test patterns
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Recording Measured Values (AREA)
  • Optical Head (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Electronic Switches (AREA)
TW082109024A 1992-11-20 1993-10-28 TW234182B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP92203585 1992-11-20

Publications (1)

Publication Number Publication Date
TW234182B true TW234182B (it) 1994-11-11

Family

ID=8211060

Family Applications (1)

Application Number Title Priority Date Filing Date
TW082109024A TW234182B (it) 1992-11-20 1993-10-28

Country Status (9)

Country Link
US (1) US5471457A (it)
JP (1) JP3565886B2 (it)
KR (1) KR100281370B1 (it)
CN (1) CN1069431C (it)
AT (1) ATE172053T1 (it)
DE (1) DE69321441T2 (it)
HK (1) HK1013364A1 (it)
SG (1) SG44881A1 (it)
TW (1) TW234182B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3124720B2 (ja) * 1995-04-14 2001-01-15 株式会社リコー 情報記録再生方法、情報記録再生装置及び情報記録媒体
JPH08509314A (ja) * 1994-02-14 1996-10-01 フィリップス エレクトロニクス ネムローゼ フェン ノートシャップ 記録キャリヤに信号を記録する方法および記録装置
JP2687904B2 (ja) * 1994-12-15 1997-12-08 日本電気株式会社 書換え型光記録再生装置
CN1897123B (zh) * 1995-04-07 2012-06-27 松下电器产业株式会社 光学信息记录介质及其制造方法和制造装置,以及光学信息记录和重现装置
US5726954A (en) * 1995-04-10 1998-03-10 Nikon Corporation Optical recording method and apparatus
JP3123591B2 (ja) * 1995-12-20 2001-01-15 富士通株式会社 光ディスク装置
US6556516B1 (en) * 1996-08-27 2003-04-29 Hitachi Maxell, Ltd. Reproducing method and reproducing apparatus for magneto-optical recording medium using different radiation patterns
JP2000251419A (ja) * 1999-02-26 2000-09-14 Sony Corp 読み出し制御装置、再生装置、記録装置およびその方法
JP2004063053A (ja) * 2002-07-31 2004-02-26 Sony Corp 記録及び／又は再生装置及び装置管理方法
JP2005038466A (ja) * 2003-07-16 2005-02-10 Ricoh Co Ltd 試し書き処理制御方法及び光ディスク装置
EP1667121A4 (en) * 2003-09-19 2008-03-19 Ricoh Kk REORDERING INFORMATION AND INFORMATION RECORDING SYSTEM
TWI256042B (en) * 2003-12-11 2006-06-01 Benq Corp Method for determining a threshold write-in power of a compact disc and related compact disc drive
US7730384B2 (en) * 2005-02-28 2010-06-01 Agere Systems Inc. Method and apparatus for evaluating performance of a read channel

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8602304A (nl) * 1986-09-12 1988-04-05 Optical Storage Int Stralingsgevoelige detektieschakeling en optische uitlees- en/of registratie-inrichting voorzien van een dergelijke stralingsgevoelige detektieschakeling.
DE3775885D1 (de) * 1986-10-31 1992-02-20 Toshiba Kawasaki Kk Bilderzeugungsgeraet.
JPS63131355A (ja) * 1986-11-20 1988-06-03 Ricoh Co Ltd 光磁気記録装置におけるオ−バ−ライト記録装置
JPS63225925A (ja) * 1987-03-16 1988-09-20 Olympus Optical Co Ltd 光カ−ドへのデ−タ記録方法
EP0312143B1 (en) * 1987-10-14 1993-08-18 Koninklijke Philips Electronics N.V. Magneto-optical recording apparatus and energizing circuit for use in such a magneto-optical recording apparatus
NL8702905A (nl) * 1987-12-03 1989-07-03 Philips Nv Werkwijze en inrichting voor het optekenen van informatie, een registratiedrager, een inrichting voor het uitlezen van de opgetekende informatie, alsmede een codeer- en decodeerschakeling voor toepassing in de opteken- en uitleesinrichting.
NL8800151A (nl) * 1988-01-22 1989-08-16 Philips Nv Werkwijze en inrichting voor het optekenen van een informatiesignaal.
NL8901345A (nl) * 1989-05-29 1990-12-17 Philips Nv Werkwijze en inrichting voor het optekenen van signalen op een registratiedrager, alsmede een meetwerkwijze en meetinrichting voor toepassing in de optekenwerkwijze en optekeninrichting, alsmede een registratiedrager.
JPH03171437A (ja) * 1989-11-30 1991-07-24 Matsushita Electric Ind Co Ltd 信号記録方法と最適パワー設定装置
JP2653259B2 (ja) * 1991-03-19 1997-09-17 松下電器産業株式会社 記録レーザ強度設定方法及びレーザ記録装置

Also Published As

Publication number Publication date
HK1013364A1 (en) 1999-08-20
JP3565886B2 (ja) 2004-09-15
KR100281370B1 (ko) 2001-02-01
JPH0773469A (ja) 1995-03-17
CN1090415A (zh) 1994-08-03
DE69321441D1 (de) 1998-11-12
ATE172053T1 (de) 1998-10-15
CN1069431C (zh) 2001-08-08
US5471457A (en) 1995-11-28
SG44881A1 (en) 1997-12-19
DE69321441T2 (de) 1999-05-20

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